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If (\sin x=0), what is the value of (\cos x) at (x=0)?

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Answer and explanation

Correct answer: \(1\)

At \(x=0\), \(\cos 0=1\). Therefore, the correct option is \(1\). Note that \(\sin x=0\) can also occur at \(x=n\pi\), but the question specifically asks for \(x=0\). Exam tip: Remember that \(\sin 0=0\) and \(\cos 0=1\).

Tags

trigonometric functionscosinestandard anglestrigonometric valuesclass 11 mathematics

Frequently asked questions

What is the correct answer to this question?

\(1\)

Why is this the correct answer?

At \(x=0\), \(\cos 0=1\). Therefore, the correct option is \(1\). Note that \(\sin x=0\) can also occur at \(x=n\pi\), but the question specifically asks for \(x=0\). Exam tip: Remember that \(\sin 0=0\) and \(\cos 0=1\).

Which subject and chapter does this question cover?

This is a Class 12 Mathematics question. Chapter: Trigonometric Functions. Topic: Trigonometric functions and their properties.

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